Automatic welding device for automobile parts
Technical Field
The utility model relates to a welding set especially relates to an automobile parts automatic welder
Background
The utility model provides an automobile part is including a plastic base, and a sheetmetal is connected to plastic base one side, and the opposite side sets up the upper cover of taking two pins, and the upper cover need pass the through-hole of opening on the plastic base and weld with the metal block, and the tradition generally adopts manual welding, and welding efficiency is low, and welding quality uniformity is poor.
SUMMERY OF THE UTILITY MODEL
The applicant has made research and improvement aiming at the above disadvantages and provides an automatic welding device for automobile parts.
The utility model discloses the technical scheme who adopts as follows:
an automatic welding device for automobile parts comprises a three-axis platform, wherein the three-axis platform comprises a platform base, the platform base is provided with a longitudinal moving platform, the platform base is connected with an upper bracket, a beam of the upper bracket is connected with a transverse moving mechanism, the transverse moving mechanism is connected with a liftable spot welding assembly through a lifting mechanism, the longitudinal moving platform is connected with a supporting and positioning seat, a plastic base of the automobile part is positioned on the supporting and positioning seat, and one side with the metal sheet faces downwards, an electrode fixing seat is arranged on the longitudinal displacement platform and positioned at the lower side of the metal sheet, the electrode fixing seat is positioned at the lower side of the welding position of the metal sheet and is connected with a lower electrode which is propped against the lower side of the metal sheet, the electrode fixing seat is fixed on the longitudinal moving platform through an insulating pad, the longitudinal moving platform is also connected with a gland driving part, and the driving end of the gland driving part is connected with a gland which compresses the upper cover of the automobile part to the plastic base.
As a further improvement of the above technical solution:
the electrode fixing seat is provided with an open slot connected with the lower electrode, and the lower electrode penetrates through the open slot through a locking screw to be tightly connected into the open slot.
The electrode cleaning device is connected to the longitudinal moving platform and comprises an installation base connected with the longitudinal moving platform, a support frame is connected to the installation base, and the support frame is connected with an electrode cleaning sheet through a pressing plate.
And the longitudinal moving platform is also connected with a transparent acrylic plate for protection.
The utility model has the advantages as follows: the automatic welding device for the automobile parts is characterized in that the plastic base is positioned through the supporting and positioning seat, the upper cover is pressed to the plastic base through the pressing cover, two pins of the upper cover penetrate through holes formed in the plastic base to be in contact with metal blocks and pressed, then the automobile parts can be driven to move through the three-axis platform, welding operation is automatically carried out, welding efficiency is high, welding quality is good, and consistency is good.
Drawings
Fig. 1 is the utility model provides an automobile parts automatic welder's schematic structure view.
Fig. 2 is a top view of the automatic welding device for automobile parts provided by the present invention.
Fig. 3 is the utility model provides a car parts automatic welder gets rid of product and transparent inferior gram force board's structural schematic.
Fig. 4 is the utility model provides a structural schematic diagram of automobile parts automatic welder electrode fixing base department.
Fig. 5 is a schematic structural diagram of the electrode cleaning device of the automatic welding device for automobile parts provided by the present invention.
In the figure: 1. a platform base; 2. longitudinally moving the platform; 3. an upper bracket; 4. a traversing mechanism; 5. a lifting mechanism; 6. a spot welding assembly; 7. supporting the positioning seat; 8. an electrode holder; 81. a lower electrode; 82. an insulating pad; 83. an open slot; 9. a gland driving part; 91. a gland; 10. an electrode cleaning device; 101. installing a base; 102. a support frame; 103. pressing a plate; 104. an electrode cleaning sheet; 11. transparent acrylic sheet.
Detailed Description
The following describes a specific embodiment of the present embodiment with reference to the drawings.
As shown in fig. 1 to 5, the automatic welding device for automobile parts of this embodiment includes a three-axis platform, the three-axis platform includes a platform base 1, a longitudinal moving platform 2 is disposed on the platform base 1, an upper bracket 3 is disposed on the platform base 1, a transverse moving mechanism 4 is connected to a cross beam of the upper bracket 3, a liftable spot welding assembly 6 is connected to the transverse moving mechanism 4 through a lifting mechanism 5, two supporting and positioning seats 7 are connected to the longitudinal moving platform 2, a plastic base of an automobile part is positioned on the supporting and positioning seats 7, and one side with a metal sheet faces downward, an electrode fixing seat 8 is disposed on the longitudinal moving platform 2 and located below the metal sheet, the electrode fixing seat 8 is located below a welding position of the metal sheet and connected to a lower electrode 81 abutting against a lower side of the metal sheet, the lower electrode 81 penetrates through an open slot 83 of the electrode fixing seat 8 and is fastened and connected to the open slot 83 through a locking screw, the electrode fixing seat 8 is fixed on the longitudinal moving platform 2 through an insulating pad 82, the longitudinal moving platform 2 is also connected with a gland driving part 9, and the driving end of the gland driving part 9 is connected with a gland 91 for pressing the upper cover of the automobile part onto the plastic base.
The longitudinal moving platform 2 is also connected with an electrode cleaning device 10, the electrode cleaning device 10 comprises a mounting base 101 connected with the longitudinal moving platform 2, a supporting frame 102 is connected on the mounting base 101, and an electrode cleaning sheet 104 is connected on the supporting frame 102 through a pressing plate 103.
The longitudinal moving platform 2 is also connected with a transparent acrylic plate 11 for protection.
When the automatic welding device for the automobile parts is used, the automatic welding device for the automobile parts comprises the following steps: 1) firstly fixing the insulating pad 82 and the electrode fixing seat 8 on the longitudinal moving platform 2, then inserting the lower electrode 81 into the open slot 83, adjusting the height of the lower electrode 81 to enable the upper end of the lower electrode 81 to be capable of being pushed to the lower side of a metal sheet of an automobile part, and fastening and fixing the lower electrode 81 through a locking screw after the adjustment is finished; 2) placing a plastic base and a metal sheet of the automobile part downwards on the two supporting and positioning seats 7, and positioning the plastic base; 3) placing the upper cover on the plastic base, and enabling two pins of the upper cover to penetrate through holes formed in the plastic base and to be placed on the upper side of the metal sheet; 4) The gland driving part 9 is started to drive the gland 91 to press downwards, and the upper cover is pressed and positioned; 5) through the longitudinal movement of the longitudinal movement platform 2 of the three-axis platform, the transverse movement mechanism 4 and the lifting mechanism 5 drive the spot welding assembly 6 to move transversely and lift, so that the spot welding assembly 6 can be driven to move to the pin of the upper cover, and the welding operation of the pin and the metal sheet is automatically carried out; 6) after the two pins are welded, the longitudinally-moving platform 2, the transversely-moving mechanism 4 and the lifting mechanism 5 are reset, meanwhile, the gland driving part 9 drives the gland 91 to ascend and reset, and the welded automobile part can be taken down from the supporting and positioning seat 7.
The lower electrode 81 and the upper electrode of the spot welding assembly 6 are stained with impurities after being used for a period of time, the lower electrode 81 or the upper electrode can be detached and placed on the electrode cleaning sheet 104, the upper surface of the electrode cleaning sheet 104 is rough, and the impurities on the lower electrode 81 or the upper electrode can be stained by rolling the lower electrode 81 or the upper electrode on the rough surface, so that the electrode cleaning operation is realized.
The above description is for the purpose of explanation and not limitation of the invention, which is defined in the claims, and any modifications may be made without departing from the basic structure of the invention.